Bidet Power-Saving Control Using Contact Sensing and Latch Switching
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Solution Overview
Problem
Conventional bidets with self-generation functions face power usage challenges due to insufficient generation capacity and high standby power consumption, as they are often used for only a short duration, leaving them in standby mode for most of the day.
Innovation Solution
A power-saving control system comprising a sensing unit, latch unit, and switch unit that detects user contact and deactivates the power system when not in use, eliminating the need for continuous power supply and minimizing standby power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the bidet operates continuously with self-generation function, then power supply availability is improved, but power consumption increases beyond generation capacity
Solution Approach 1:
The bidet system alternates between active and standby states based on usage detection. The control unit activates the power supply system only when needed (during actual use) and deactivates it during standby periods, transforming continuous operation into periodic operation that matches the limited generation capacity while maintaining reliability when required.
Solution Approach 2:
The system dynamically adjusts its power consumption state based on real-time conditions. Through the sensing unit and control unit, the bidet transitions between different operational modes (active/standby) to optimize the balance between power supply availability and power consumption, adapting to actual usage patterns rather than operating in a fixed continuous state.
2Use of energy by moving object
If the bidet remains in standby mode for extended periods, then power consumption is reduced, but responsiveness to user needs deteriorates
Solution Approach 1:
The sensing unit continuously monitors for user presence or contact in advance, so when a user approaches or touches the bidet, the system is already prepared to activate immediately. This preliminary detection mechanism ensures rapid response despite the system being in low-power standby mode, eliminating any perceptible delay.
Solution Approach 2:
The system uses feedback from the sensing unit to continuously monitor user interaction and automatically adjust the power supply state. When the sensing unit detects user contact, it sends a signal to the control unit to activate the power supply, creating a closed-loop feedback system that maintains responsiveness while minimizing power consumption during non-use periods.
Data Source
AI summary
Disclosed is an apparatus and system for controlling power saving. The system for controlling power saving includes: a battery supplying power; a power saving controlling apparatus including a sensing unit detecting a user's contact and generating an activation signal when a user's contact is acknowledged, a latch unit maintaining the activation signal which has been received from the sensing unit, and a switch unit disposed on a current path that delivers power, and connecting the current path according to the activation signal from the latch unit; and a microcomputer controlling an operation of the system connected upon receiving power from the power saving controlling apparatus.